The Right Chemistry: Rediscovering a biblical blue dye

Baruch Sterman, an Israeli scientist, has taken an interest in producing the blue dye he believes is tekhelet from snails.

Blue pigments - Wikipedia

The backyard has long been a space associated with recreation and relaxation, a private patch of earth to escape to, and a springboard for the imagination. In her signature style and drawing on her personal experience as a mother, gardener, and author, Amanda Thomsen encourages kids to create kingdoms of their own making, right in their own backyards.

Backyard Adventure: Get Messy, Get Wet, Build Cool Things, and Have Tons of Wild Fun! 51 Free-Play Activities [eBook]

The Bible described it as the perfect, pure blue. And then for nearly 2,000 years, everyone forgot what it looked like - Los Angeles Times

Blue dye from red beets: Chemists devise a new pigment option

Tekhelet - Wikipedia

Blue Country Mystic – Salvation South

Origin of Ancient Blue Dye: Evidence From Time of King Solomon Found - Patterns of Evidence: The Moses Controversy

No longer on the fringe - The Jerusalem Post

Used Book in Good Condition

Rarest Blue: The Remarkable Story Of An Ancient Color Lost To History And Rediscovered

Indigo: The story of India's 'blue gold', History

Tekhelet: The Mystery of the Long-Lost Biblical Blue Thread

Tyrian purple: The lost ancient pigment that was more valuable than gold

A Chemist Accidentally Creates A New Blue. Then What? : NPR

Heritage Science Plus Analytical Chemistry, Spectroscopy, and Bioanalysis: Angewandte Chemie International Edition: Vol 57, No 25